如果需要的话

Thus, negating one column if necessary, and noting that a 2×2 reflection diagonalizes to a +1 and 1, any orthogonal matrix can be brought to the form

因此如果需要的话取负一列，并注意 2×2 反射可对角化为+1 和 1，任何正交矩阵可变为如下形式

Write out a pacing schedule in your test booklet if you need to.

如果需要的话，在考试的册子上记录做题所用时间的规划。

And if I had too, I'd pee on anyone of you!

而且如果需要的话，我会在你们每个人身上撒尿！

Phoebe: You know, if you want, I'll do it with you.

要知道，如果需要的话，我和你一起去。

Internal trim pots allow you to adjust the balance of the piezo output between the high and low strings if needed.

内部装饰盆允许你调整之间的高，低产出的平衡弦压电如果需要的话。

DESIGN FEATURES:"Strap-on" personal helicopter with contrarotating twin blades of tapered planform and fixed pitch (thus no autorotation capability - replaced by ballistic parachute, if desired).

设计特点："捆绑式"的俯视图的反向的锥形和固定摊位（因此没有自转能力双刀片个人直升机-由弹道导弹降落伞取代，如果需要的话）。

Jump your raft if you need to.

跳转您筏如果需要的话。

The team and client, and to redirect activities, if required.

如果需要的话，可以调整活动的方向。

I would be glad to have a personal interview, and can provide references if needed.

我非常希望能够得到面试，如果需要的话，我可以提供证明人。

The standard way to heal a raid is to have a Holy paladin on the tank along with a Resto druid, have a Resto shammy AE heal the group, and then put the Holy priest wherever you need them.

一个标准的副本治疗队伍应该是奶骑和奶D注重于治疗Tank，奶萨群加，然后牧师应该是能替代任何位置如果需要的话。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。